bin/aur-sync-devel

   1 #!/bin/bash
   2 # Example taken from /usr/share/doc/aurutils/examples/sync-devel
   3
   4 set -e
   5 argv0=sync-devel
   6 XDG_CACHE_HOME=${XDG_CACHE_HOME:-$HOME/.cache}
   7
   8 # For the purposes of this example, we assume AURDEST contains both AUR and
   9 # non-AUR git repositories (e.g. from github or archweb), with corresponding
  10 # packages in the local repository.
  11 AURDEST=${AURDEST:-$XDG_CACHE_HOME/aurutils/sync}
  12 AURVCS=".*-(cvs|svn|git|hg|bzr|darcs)$"
  13
  14 # Pattern the defines VCS packages. The AUR has no formal definition of a VCS
  15 # package - here we include the most common version control systems.
  16 filter_vcs() {
  17     awk -v "mask=$AURVCS" '$1 ~ mask {print $1}' "$@"
  18 }
  19
  20 # Scratch space for intermediary results.
  21 mkdir -pm 0700 "${TMPDIR:-/tmp}/aurutils-$UID"
  22 tmp=$(mktemp -d --tmpdir "aurutils-$UID/$argv0.XXXXXXXX")
  23 trap 'rm -rf "$tmp"' EXIT
  24
  25 # Retrieve a list of the local repository contents. The repository
  26 # can be specified with the usual aur-repo arguments.
  27 aur repo --list "$@" | tee "$tmp"/db | filter_vcs - >"$tmp"/vcs
  28
  29 # Only AUR repositories can be cloned anew, as the source of non-AUR packages
  30 # is unknown beforehand. Their existence is checked with `git-ls-remote` (`-e`)
  31 # Running makepkg locally on a PKGBUILD with pkgver() results in local changes,
  32 # so these are removed with `--discard`. New upstream commits are then merged
  33 # with `git-merge` or `git-rebase` (`--sync=auto`). The final PKGBUILD is shown
  34 # in `aur-view` later on.
  35 cd "$AURDEST"
  36 aur fetch -e --discard --sync=auto --results="$tmp"/fetch_results - <"$tmp"/vcs
  37
  38 # Make sure empty repositories are not considered for inspection.
  39 targets=()
  40 while IFS=: read -r mode rev_old rev path; do
  41     path=${path#file://} name=${path##*/}
  42
  43     case $mode in
  44         clone|merge|fetch|rebase|reset)
  45             [[ $rev != "0" ]] && targets+=("$name") ;;
  46     esac
  47 done <"$tmp"/fetch_results
  48
  49 # Inspect new AUR (downstream) commits with aur-view(1). This is done
  50 # before running aur-srcver, which runs makepkg and sources the
  51 # PKGBUILD.
  52 aur view "${targets[@]}"
  53
  54 # Update `epoch:pkgver-pkgrel` for each target with `aur-srcver`.
  55 # This runs `makepkg`, cloning upstream to the latest revision. The
  56 # output is then compared with the contents of the local repository.
  57 cat "$tmp"/db | aur vercmp -p <(aur srcver "${targets[@]}") | \
  58     awk '{print $1}' >"$tmp"/ood
  59
  60 # Build the packages. Arguments are shared between aur-repo and
  61 # aur-build to specify the local repository.
  62 if [[ -s $tmp/ood ]]; then
  63     aur build "$@" -a "$tmp"/ood --syncdeps --rmdeps --noconfirm
  64 else
  65     printf >&2 '%s: all packages up-to-date\n' "$argv0"
  66 fi